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Hydrosight

Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

Hydrosight — Demo video

HydroSight AI converts crowdsourced street-level flood photos into GIS-ready 3D flood-extent shapefiles, building inundation depth profiles, and safe emergency rescue routes for flood-prone Rodriguez, Rizal. Using Meta's sam-3.1 and muse-spark-1.3, it measures water depth from submerged reference objects with an autonomous confidence self-check loop. The engine then ray-casts the camera viewcone onto a 5-meter bare-earth DEM (EPSG:32651), floods connected lowlands across 83,000+ buildings, clips impassable roads on the street network, and routes rescue vehicles to verified dry evacuation centers. All code was written during the hackathon period.

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